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The Challenge of Negation in Health Care Searches and Queries
This poster deals with exclusionary queries implemented using the database language SQL and the VA FileMan database system and with retrieval searches involving negated concepts in medical narratives. The poster describes and presents error patterns in designing database queries, underlying comprehe...
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| Hauptverfasser: | , , , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
American Medical Informatics Association
2003
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1480075/ https://ncbi.nlm.nih.gov/pubmed/14728363 |
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